.page-contact {
  --c-gap: 18px;
  --c-line-soft: rgba(143, 168, 155, .16);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 46px;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .hero-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.page-contact .hero-texture img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: grayscale(.35);
}

.page-contact .hero-texture::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    repeating-linear-gradient(90deg, rgba(79, 122, 102, .5) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(79, 122, 102, .34) 0 1px, transparent 1px 88px);
  opacity: .32;
}

.page-contact .hero-texture::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(175deg, rgba(7, 19, 15, .5) 0%, rgba(7, 19, 15, .9) 58%, var(--ink) 100%),
    radial-gradient(58% 46% at 82% 6%, rgba(198, 255, 61, .18), transparent 72%);
}

.page-contact .hero-shell {
  position: relative;
  z-index: 1;
}

.page-contact .hero-head {
  margin-top: 22px;
  max-width: 720px;
}

.page-contact .hero-head .kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 8vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .hero-head .lede {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 22px;
}

.page-contact .hero-clock {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-contact .hero-clock .status-dot {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, .16);
}

.page-contact .contact-board {
  display: grid;
  gap: var(--c-gap);
  margin-top: 30px;
}

.page-contact .channel-column {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-contact .channel-card {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--lime);
  background: var(--surface);
  transform: translateY(-2px);
}

.page-contact .channel-card--address {
  background: linear-gradient(160deg, var(--surface), var(--ink-2) 78%);
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4vw, 19px);
  line-height: 1.45;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .channel-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .copy-btn {
  justify-self: start;
  margin-top: 2px;
  padding: 7px 16px;
  font: inherit;
  font-size: 13px;
  color: var(--paper);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.page-contact .copy-btn[data-copied="true"] {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

/* 反馈准备面板 */
.page-contact .form-visual {
  position: relative;
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background:
    repeating-linear-gradient(0deg, rgba(79, 122, 102, .12) 0 1px, transparent 1px 32px),
    linear-gradient(165deg, var(--surface), var(--ink-2) 74%);
  min-width: 0;
}

.page-contact .form-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .form-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .form-hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .type-pills {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  border: 0;
}

.page-contact .type-legend {
  width: 100%;
  padding: 0;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .type-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .type-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(7, 19, 15, .55);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-contact .type-pill:hover {
  color: var(--paper);
  border-color: var(--lime);
}

.page-contact .type-input:checked + .type-pill {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
  font-weight: 700;
}

.page-contact .type-input:focus-visible + .type-pill {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .field {
  display: grid;
  gap: 6px;
  margin-top: 14px;
  min-width: 0;
}

.page-contact .field-label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .field-input,
.page-contact .field-area {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  font: inherit;
  font-size: 14px;
  color: var(--paper);
  background: rgba(7, 19, 15, .72);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-contact .field-area {
  resize: vertical;
  line-height: 1.6;
}

.page-contact .field-input::placeholder,
.page-contact .field-area::placeholder {
  color: rgba(143, 168, 155, .68);
}

.page-contact .field-input:focus,
.page-contact .field-area:focus {
  outline: none;
  border-color: var(--lime);
  box-shadow: 0 0 0 2px rgba(198, 255, 61, .3);
}

.page-contact .field-input:not(:placeholder-shown):invalid {
  border-color: var(--amber);
}

.page-contact .field-input:not(:placeholder-shown):invalid + .field-note {
  color: var(--amber);
}

.page-contact .field-input:not(:placeholder-shown):invalid + .field-note::after {
  content: " 现在这串字符不像是邮箱。";
}

.page-contact .field-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--grid-cyan);
}

.page-contact .form-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 反馈分类 ---------- */
.page-contact .path-section {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .path-head {
  max-width: 660px;
}

.page-contact .path-head .kicker,
.page-contact .timing-copy .kicker,
.page-contact .scope-copy .kicker,
.page-contact .prep-head .kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .path-head .h2,
.page-contact .timing-copy .h2,
.page-contact .scope-copy .h2,
.page-contact .prep-head .h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 5.4vw, 36px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.015em;
}

.page-contact .path-head .lede,
.page-contact .prep-head .lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .path-layout {
  display: grid;
  gap: var(--c-gap);
  margin-top: 26px;
}

.page-contact .path-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .path-item {
  position: relative;
  padding: 18px 20px 18px 62px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: border-color .2s ease, background-color .2s ease;
}

.page-contact .path-item:hover {
  border-color: var(--lime);
  background: var(--surface);
}

.page-contact .path-num {
  position: absolute;
  left: 18px;
  top: 18px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--lime);
  border-radius: 50%;
}

.page-contact .path-item--amber .path-num {
  background: var(--amber);
}

.page-contact .path-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .path-text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  opacity: .86;
}

.page-contact .path-meta {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .path-key {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  background: var(--lime-soft);
  border-radius: var(--r-pill);
}

.page-contact .path-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  min-width: 0;
}

.page-contact .path-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.page-contact .media-caption {
  padding: 14px 18px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 咨询时间 ---------- */
.page-contact .timing-section {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .timing-shell {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}

.page-contact .timing-lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .timing-track {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .timing-stop {
  position: relative;
  padding-left: 20px;
  border-left: 1px dashed var(--line-strong);
}

.page-contact .timing-stop::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
}

.page-contact .time-tag {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-contact .timing-stop p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
  opacity: .84;
}

/* ---------- 消息去向 ---------- */
.page-contact .scope-grid {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .scope-copy p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .scope-stats {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-2);
}

.page-contact .scope-stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
}

.page-contact .scope-stat-row .stat {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .scope-stat-row .stat-value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--lime);
}

.page-contact .scope-stat-row .stat-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-contact .scope-foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 发送之前 ---------- */
.page-contact .prep-section {
  padding-bottom: 48px;
}

.page-contact .prep-head {
  max-width: 700px;
}

.page-contact .prep-head .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-contact .prep-cards {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .prep-card {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 20px;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}

.page-contact .prep-card:hover,
.page-contact .prep-card:focus-visible {
  border-color: var(--lime);
  background: var(--surface);
  transform: translateY(-2px);
}

.page-contact .prep-card .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .prep-card .card-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .prep-arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero {
    padding: 24px 0 56px;
  }

  .page-contact .contact-board {
    margin-top: 34px;
  }

  .page-contact .channel-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card--address {
    grid-column: 1 / -1;
  }

  .page-contact .form-visual {
    padding: 24px;
  }

  .page-contact .path-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .timing-shell {
    padding: 30px 28px;
  }

  .page-contact .scope-stats {
    padding: 24px;
  }

  .page-contact .scope-stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .prep-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-board {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--gap);
    align-items: start;
  }

  .page-contact .channel-column {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .page-contact .channel-card--address {
    grid-column: auto;
  }

  .page-contact .channel-card {
    padding: 20px 24px;
  }

  .page-contact .form-visual {
    padding: 26px 24px;
  }

  .page-contact .path-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--gap);
    align-items: start;
    margin-top: 34px;
  }

  .page-contact .path-head {
    max-width: 720px;
  }

  .page-contact .path-figure {
    position: sticky;
    top: 96px;
  }

  .page-contact .timing-shell {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: start;
    padding: 34px 32px;
  }

  .page-contact .timing-track {
    margin-top: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    padding-top: 26px;
    border-top: 1px solid var(--line-strong);
  }

  .page-contact .timing-stop {
    padding-left: 0;
    border-left: 0;
    padding-top: 6px;
  }

  .page-contact .timing-stop::before {
    top: -31px;
    left: 0;
  }

  .page-contact .scope-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 36px;
    align-items: start;
  }

  .page-contact .scope-stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .prep-head {
    max-width: 760px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero {
    padding: 28px 0 64px;
  }

  .page-contact .hero-head {
    margin-top: 30px;
  }

  .page-contact .channel-card {
    padding: 22px 26px;
  }

  .page-contact .form-visual {
    padding: 30px 28px;
  }
}